Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 39, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Mar 12, 1999, 10:54 PM CST for Jasper County, Texas. It was in force for 61 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 12, 1999, 10:54 PM CST (04:54 UTC)
- Expired
- Mar 12, 1999, 11:55 PM CST
- In force
- 61 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Jasper County, TX
The radar
The Lake Charles radar (KLCH), 104 km from the middle of the area, began a volume at 04:57 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 12, 11:32 PM CST | Hail 0.75 | Jasper, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 12, 10:30 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.9 hours before the alert went out and 105 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 892 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 549 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 327 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 9.8
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KLCH 130457 RRA TORLCH TXC241-130555- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 1054 PM CST FRI MAR 12 1999 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * TORNADO WARNING FOR... NORTHERN JASPER COUNTY IN SOUTHEASTERN TEXAS * UNTIL 1155 PM CST * AT 1051 PM CST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 19 MILES WEST OF JASPER OR 11 MILES WEST OF BEECH GROVE MOVING EAST AT 15 MPH. * THE TORNADIC THUNDERSTORM WILL MOVE OVER HIGHWAY 190 BETWEEN WOODVILLE AND JASPER. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS OR CUSHIONS TO PROTECT YOUR BODY FROM FLYING DEBRIS.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 9:28 PM CST | Severe Thunderstorm Warning | LCH | Tyler | 62 min |
| Mar 12, 10:04 PM CST | Tornado Warning | LCH | Tyler | 66 min |
| Mar 12, 11:43 PM CST | Tornado Warning | LCH | Newton | 62 min |
| Mar 13, 12:25 AM CST | Flash Flood Warning | LCH | Jasper, Newton | 2 hr |
| Mar 13, 12:25 AM CST | Flash Flood Warning | LCH | Tyler | 2 hr |
| Mar 13, 2:15 AM CST | Flash Flood Warning | LCH | Jasper, Newton | 3 hr |
| Mar 13, 2:15 AM CST | Flash Flood Warning | LCH | Tyler | 3 hr |
| Mar 13, 2:26 AM CST | Tornado Warning | LCH | Tyler | 64 min |
Nearby
Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.